Angelina Njeguš

• PhD
• Professor (Full) at Singidunum University

Electroencephalography (EEG) serves as a crucial neurodiagnostic tool by recording the electrical brain activity via attached electrodes on the patient's head. While artificial intelligence (AI) exhibited considerable promise in medical diag-nostics, its potential in the realm of neurodiagnostics remains underexplored. This research addresses this...

The modern business environment is characterized by pronounced complexity, frequent and rapid changes, accelerated development of information technology, high expectations of end users and other factors. Hotels, as business systems, must follow changes, apply the latest achievements in the field of technology and management, in order to preserve co...

The paper defines the methodology for the selection of standards and tools that system analysts use for the purposes of analyzing the computer infrastructure of organizations. The goal of system analyst analysis is primarily to increase: the speed of processing information, the efficiency of data processing and data exchange. A large number of stan...

Ovaj udžbenik je namenjen studentima Tehničkog fakulteta i Fakulteta za informatiku i računarstvo Univerziteta Singidunum, ali i svima onima koji žele da steknu znanja iz obrazaca projektovanja softvera (Design Patterns). Specifčnost ovog udžbenika se ogleda u tome što se koristi snaga okruženja za razvoj softvera „IBM® Rational® Software Architect...

The subject of this research are challenges in the application of cryptocurrencies in tourism, with focus on the Republic of Serbia. Тhe paper will present examination of the attitudes and opinions of the respondents in the tourist market of the Republic of Serbia about cryptocurrencies and their willingness to accept them in their work, business a...

In the present environment, to access data and processes, each airline provides its interface and establishes its process flows. Aggregation of direct connect platforms based on NDC, including LCC, necessitates a transformation in the traditional business model of global distribution systems. There is a relationship between airline service qualitie...

As human capital has become a vital asset in contemporary businesses, utilizing human resources exceeds HRM function towards strategic business partnership within organizations. The key enabling factor was global ICT development that changed functional roles and responsibilities within operating business models and introduced machine intelligence t...

Primena blokčejn tehnologije, napredni razvoj sistema veštačke inteligencije (robota), ulazak u Web 4.0, odnosno stvaranje pametne mreže i druga tehnološka rešenja koja stavljaju u centar čoveka, uslovili su prelazak na petu industrijsku revoluciju. Evolucija računarstva i interneta neminovno utiče i na turističku industriju. Poslednja istraživanja...

Poslednjih godina svedoci smo razvoja velikog broja aplikacija veštačke inteligencije, koje se svakodnevno koriste na vebu, u poslovanju i gde god postoji realna potreba. Razvijeni su čitavi sistemi veštačke inteligencije, kao na primer robot Sofija, koji integrišu većinu oblasti veštačke inteligencije, kao što su robotika, mašinsko učenje, obrada...

Ljudski resursi, danas, u vreme gig ekonomije, kognitivnog računarstva, a posebno u vreme pandemije korona virusa, kada je silom prilika došlo do promene dosadašnjih obrazaca rada, a i drugih socijalno-ekonomskih prilika, vraća se u žižu istraživanja. Kompanije se sa razlogom pitaju, kako u novonastalim okolnostima, meriti performanse zaposlenih, o...

Dve godine, koje su za nama, ostaće u istoriji čovečanstva, kao najteže za turizam, hotelijerstvo i ugostiteljstvo. Globalna pandemija prouzrokovana virusom korona, u početku, prekinula je sve aktivnosti, kretanja, servis, i ugrozila egzistenciju miliona ljudi, ispisujući negativne stranice u istoriji turizma. Cilj „Hotelske kuće“ je da HORES okupi...

The outbreak of the Covid-19 pandemic has attracted more attention and highlighted the value of public health as well as the need for safe travel. When it comes to the tourism industry affected by the pandemic, the current global situation requires market transformation and innovation in the function of renewing tourist travel. Blockchain technolog...

U digitalnom svetu, kada je dostupno mnogo informacija o objektima i korisnicima i kada se može iskoristiti puna snaga svih alata mašinskog učenja nameće se izazov kreiranja hibridnog sistema preporuke koji bi integrisao iskustvene sisteme zasnovane na pravilima i sisteme zasnovane na matematičkim prediktivnim modelima. Sistemi preporuke spadaju u...

Turizam, kao jedan od vodećih ekonomskih sektora, predstavlja radno intenzivnu uslužnu delatnost i značajan izvor zapošljavanja. U ovom radu se primenom savremenih analitičkih tehnika višekriterijumske analize rangiraju studenti koji su završili Visoku turističku školu prema kriterijumima kao što su: prosečna ocena tokom studiranja, dužina studiran...

Turizam, kao jedan od vodećih ekonomskih sektora, predstavlja radno intenzivnu uslužnu delatnost i značajan izvor zapošljavanja. U ovom radu se primenom savremenih analitičkih tehnika višekriterijumske analize rangiraju studenti koji su završili Visoku turističku školu prema kriterijumima kao što su: prosečna ocena tokom studiranja, dužina studiran...

Recognition of facial micro-expressions (MEs), which indicates conscious or unconscious suppressing of true emotions, is still a challenging task in the affective computing and computer vision. There are two main reasons for that: First, the lack of spontaneous MEs databases, preferably focused on one emotion. So far, posed facial MEs databases wer...

The aim of this paper is to present a relatively new method of multi-criteria analysis -EDAS and to demonstrate its ap- plicability in tourism industry candidates' ranking. An example of the use of the EDAS method outlined here is authentic; wider segment of the survey and use of real data and requirements led to real problems and in order to...

Artificial intelligence (AI) impacts numerous aspects of life in the form of smart devices and smart applications, designed to understand consumer behaviour, needs, and preferences in order to deliver customized experiences. AI has been one of the primary drivers of innovation in marketing. Market-ers are already leveraging the advantages of AI to...

U ovom radu fokus je na primeni najzastupljenijih višekriterijumskih metoda odlučivanja (Multi-Criteria Decision Making, MCDM) u cilju rešavanja problema izbora kadrova. U okviru naučnih disciplina, kao što su Operaciona istraživanja i Teorija odlučivanja, razvijene su mnogobrojne metode i alati pomoću kojih se na validan i kvalitetan način, u mnoš...

Every speech signal carries implicit information about the emotions, which can be extracted by speech processing methods. In this paper, we propose an algorithm for extracting features that are independent from the spoken language and the classification method to have comparatively good recognition performance on different languages independent fro...

Considering that Social Media play an important role as an information source for users, many companies focus on Social Media marketing as a strategic tool for their business. According to the recent research, more then 60% of users use search engines when looking for some information. Therefore, this study aims to investigate to which extent Socia...

Vizuelizacija je najlakši način da ljudi razumeju i protumače velike količine kompleksnih podataka. Pored vizuelizacije i analize podataka, važnu ulogu u interakciji čovek-računar ima i ljudski faktor, posebno kongnitivna psihologija i percepcija. Vizuelna analitika se odnosi na oblasti vizuelizacije informacija i računarske grafike, dok na polju a...

Glavni cilj ovog rada je da se utvrdi stepen prisustva i važnost internet distributivnih sistema od strane hotelskih preduzeća u Beogradu. Cilj sprovedenog istraživanja bio je da se vidi u kojoj meri beogradski hotelijeri koriste internet distributivne sisteme i da se sazna njihova percepcija prednosti i mana novih internet posrednika koji su pored...

This paper presents a multimodal emotion recognition system, which is based on the analysis of audio and visual cues. From the audio channel, Mel-Frequency Cepstral Coefficients, Filter Bank Energies and prosodic features are extracted. For the visual part, two strategies are considered. First, facial landmarks’ geometric relations, i.e. distances...

About the Conference SITCON 2017 It is our great pleasure to present the proceedings of the third international scientific conference in the field of tourism and hospitality - SITCON 2017 (Singidunum International Tourism Conference), held on June 8, 2017 at Singidunum University in Belgrade. The principal aims of the conference were to provide a...

Performance optimization in speaker recognition is a challenging task in the field of vocal based human-computer interaction. Many researches have shown that deep learning Neural Network methods have the best performance in comparison with other classifiers. However, those methods with many parameters require a lot of tunings in order to optimize t...

The principal aim of SITCON 2016 conference is to provide a considerable scientific contribution in the domain of marketing and management regarding tourism destination competitiveness, placing special emphasis on the quality aspect in tourism. The conference provides an ideal platform for the exchange of ideas and dissemination of best practices a...

The development of social media has significantly altered the communications tools and techniques used by the hotels in interaction with their existing and prospective customers. Nowadays, the hotels mainly use social media for advertising purposes, as well as for attracting new customers, maintaining ongoing relationships with the existing custome...

Big Data Analytics has attracted a lot of attention from academia and industry. Vendors of enterprise solutions are competing in the development and implementation of such systems in any sphere of business, including telecommunications, banking, hospitality and others. However, most companies still do not understand the importance of these systems...

Communication strategies with the consumers of tourism products and services have significantly transformed in recent years with the advent of social media and online information. According to numerous authors, social media represent a hybrid form of traditional integrated marketing communications with the increased effect of WOM (word of mouth) co...

Small-sized hotels that prevail in the tourist destination of Serbia rarely use any kind of property management or intelligence systems. The issue that pervades throughout this paper is related to the ways in which they can benefit from data mining. This paper discusses data mining practical application of making predictions of future monthly in-ho...

Tourism is a dynamic industry in which online information plays a crucial role for the whole lifecycle of the journey. The evolution of the World Wide Web, from Web 1.0, through Web 2.0 to Web 3.0 generation continues, and significantly affects the way consumers obtain information. On the other hand, tourism information systems support organisation...

The Internet has caused major changes in the distribution channels in the tourism market, threatening traditional tourism intermediaries’ activity. At the same time, a number of suppliers have got access to global tourism market and a chance to offer new products and experts’ knowledge in more efficient way. Among them we can mention destination ma...

Implementation of eGovernment services is important condition for the European integration of Bosnia and Herzegovina, and at the same time cohesion factor for improving channels of information and services which are delivered to citizens and business sector, increasing of public participation and more transparent and efficient public administration...

Information systems play a crucial role in the hotel business. However, in addition to the numerous benefits they provide, there are potential threats that inevitably affect the quality of service. One of the major threats is information vulnerability in information systems. The fact is that about 55% of the credit card breaches happen in the hospi...

Abstract - The tourism industry has widely adopted Geographic Information Systems (GIS) in order to improve service quality, visibility and tourists' experience. The paper demonstrates that GIS is becoming increasingly critical for both the tourism demand and supply. The convergence between the services of Web 3.0 generation, along with the social...

Numerous organizations use Cloud Computing (CC) services. The main deterrence factor still remains a lack of confidence in the CC information security. CC services (CCS) include new types of vulnerability and risk assessment. The risk taxonomy has to be considered for better understanding of the CC Security Management Framework (CC SMF) and Informa...

Osiguranje kvaliteta forenzičkih servisa danas predstavlja glavni izazov za servis provajdere i njihove korisnike. U ovom radu će se razmatrati problematika integracije forenzičkih veb servisa i SOA arhitekture u Cloud Computing (CC) okruženje, a potom analizirati doprinos forenzičkih servisa sistemu kvaliteta CC servisa. Abstract Quality assurance...

U današnje vreme, turističke organizacije upravljaju turističkom destinacijom posredstvom informacionih sistema za upravljanje turističkom destinacijom (Destination Management System, DMS). Konkurentnost destinacije u mnogome zavisi od nivoa razvoja DMS sistema. U ovom radu se razmatraju teorijski aspekti DMS sistema, kao i mogući modeli implementa...

The emergence of Cloud Computing has a significant impact on digital forensics, law and audit. Cloud service providers have not yet established a clearly defined process for digital forensics that would be admissible in court. Cloud forensics represents a new challenge for both service providers and users. Due to the decentralized nature of data pr...

In this paper the influence of change requirements during several agile software projects is examined. Consequences that change requirements have had on projects are analyzed. Also some possible ways of successful management of these consequences are suggested. Therefore, modified Scrum process that involve activities for successful requirements ch...

Service orientation has become a dominant design approach for achieving higher levels of interoperability. This paper presents methodology for creating a new service oriented framework, which supports the modelling of interoperable software systems. The created. SOFI framework is derived from the well-known Zachman framework. The SOFI framework int...

Recent empirical research have been conducted identifying a number of advantages of agile software development methods by comparing them to traditional methodologies. However, from the first waterfall to current agile methodology there still have some obstacles that makes software delivery challenging and heavy-duty work. In order to make a clear d...

Pred Evropsku uniju i zemlje članice postavlja se izazov stabilnog ekonomskog rasta i očuvanja dosadašnje pozicije u globalnoj ekonomiji koju odlikuje visoka konkurentnost i stalne tehološke promene. U tom cilju potrebno je unaprediti nivo IT veština radne snage i građana uopšte, što ide u prilog konceptu društva zasnovanog na znanju, kojem Evropsk...

Although still considered the security of a simple Web 1.0 applications or more complex SOA-based Web 2.0 applications, the market is already consider the security problems of the latest generation of the web. The paper discuss the functional aspects of the Web generations, the malicious threats of web sites and highlight the main attachs on Web 2....

New sofisticated treats to web 2.0 i web 3.0 applications need a new security information paradigm. Some new type of worms (Yamanner, Samy and Spaceflash) have already exploited AJAX client frame voulnarability and providied new types of atacks and compromised certain confidential information. Computing development trend includes server and client...

Geographical information system (GIS) technology offers great opportunities for the development of applications using maps and visualisation methods in the field of spatial management. This technology integrates common database operations with the unique visualisation and geographic analysis. For that is necessery to use non spatial and spatial dat...

Since the success of any tourism business is determined by tourism planning, development research and marketing, the first thing we review in this article is GIS application for tourism planning. Both tourism and IT increasingly provide strategic opportunities and powerful tools for economic growth, redistribution of wealth and development of equit...

Since the success of any tourism business is determined by tourism planning, development research and marketing, the first thing we review in this article is GIS application for tourism planning. Both tourism and IT increasingly provide strategic opportunities and powerful tools for economic growth, redistribution of wealth and development of equit...